Yellowstone and Grand Teton National Parks and Lake County, Montana.

  • Spectators waiting for the next eruption of Old Faithful (video)
  • Old Faithful erupts (video).
  • Near Old Faithful.
  • Old Faithful Inn in background.
  • Depression Geyser.
  • Note the footprints.
  • Beautiful blue ....
  • A geyser erupts.
  • A pool near Old Faithful.
  • Abstraction in orange.
  • Looks like hair.
  • The edge of a continent—but what sea is that?